Table 7.

Statistical comparison of DE–GSO–ANFIS on Parkinson’s disease dataset

Model	MSE	MAE	RMSE	R2	SD
ANFIS	0.0415	0.1614	0.2037	0.6814	0.0563
PSO–ANFIS	0.0180	0.1065	0.1341	0.8462	0.0138
GA–ANFIS	0.0216	0.1551	0.1469	0.8145	0.0273
LOA–ANFIS	0.0284	0.1418	0.1685	0.8226	0.0356
DE–ANFIS	0.0150	0.1218	0.1052	0.8541	0.0125
GSO–ANFIS	0.0163	0.1062	0.1267	0.8842	0.0124
DE–GSO–ANFIS	0.0122	0.0948	0.1104	0.9218	0.0078